I think, if kafka can not identify hostname by its own, try to set the hostname in the server.properties.
Would this work for you?

Markus Roder

Am 20.06.2013 um 17:56 schrieb "Yu, Libo " <[EMAIL PROTECTED]>:
NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB